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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
With increase in load, convection superheater has

Flat characteristic
Linear characteristic
Drooping characteristic
Rising characteristic

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Steam Boilers, Engines, Nozzles and Turbines
Steam exhaust from high pressure turbine is reheated in

Superheater tubes
A separate coil located in convection path
Boiler drums
Economizer

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Steam Boilers, Engines, Nozzles and Turbines
Desecration of feed water is carried out because it reduces

Heat transfer coefficient
Corrosion caused by oxygen
pH value of water
Cavitation of boiler feed pumps

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Steam Boilers, Engines, Nozzles and Turbines
The best suited coal for chain or traveling grate stoker boiler is

Coking coal
Non-coking or free burning coal
High sulphur coal
Pulverized coal

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Steam Boilers, Engines, Nozzles and Turbines
The number of drums in Benson steam generator is

One steam drum and one water drum
No drum
Two
One

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Steam Boilers, Engines, Nozzles and Turbines
The process of draining steam from the turbine, at certain points during its expansion and using this steam for heating the feed water in feed water heaters and then supplying it to the boiler is known as

None of these
Regenerative heating
Reheating of steam
Bleeding

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